What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 21.5°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

70.7

°F

November 1, 03:22

Trend:

decreasing

Yesterday:

70.9°F

Tomorrow:

70.7°F

Sunrise:

06:37

Sunset:

17:27

Day Length:

10 h. 50 min.

Fukuoka in November

Minimum:

56.9°F

Average:

58.8°F

Maximum:

60.6°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 70.7°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.0°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 71.7°F on 2024, while the historical minimum was 68.2°F on 2020.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 70.0°F, the minimum temperature may reach 69.4°F, and the maximum might stay at 70.7°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Oct 18	77.7°F	73.8°F	73.0°F
Oct 19	77.4°F	74.4°F	72.7°F
Oct 20	76.8°F	74.2°F	72.8°F
Oct 21	76.4°F	74.2°F	72.5°F
Oct 22	76.0°F	74.0°F	72.3°F
Oct 23	75.2°F	73.6°F	72.1°F
Oct 24	74.6°F	73.4°F	71.7°F
Oct 25	74.2°F	73.1°F	71.4°F
Oct 26	73.9°F	72.8°F	71.2°F
Oct 27	73.2°F	72.6°F	71.0°F
Oct 28	72.8°F	72.4°F	70.8°F
Oct 29	72.2°F	72.4°F	70.5°F
Oct 30	71.0°F	72.1°F	70.3°F
Oct 31	70.9°F	71.9°F	69.8°F
Nov 1	70.7°F	71.7°F	69.7°F
Nov 2	70.7°F	71.5°F	69.6°F
Nov 3	70.4°F	71.2°F	69.4°F
Nov 4	70.2°F	70.2°F	69.2°F
Nov 5	69.8°F	69.3°F	68.8°F
Nov 6	69.7°F	69.6°F	68.6°F
Nov 7	69.5°F	69.8°F	68.5°F
Nov 8	69.4°F	69.3°F	68.4°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 110 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.5°F in Summer, and 73.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	71.1°F	30mi
Shimonoseki	71.0°F	39mi
Kumamoto	71.2°F	57mi
Nagasaki	75.2°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka